A rudimentary treatise on the metallurgy of silver and lead .. (1861)
Lamborn, Robert H · London, J. Weale · leaf 200
188 EXTRACTION OF SILVER. space a, above the filter, is filled with the substance to be treated, and the filtered liquor falling upon the bottom flows out through the cock, h. Each of the vessels is 3' 9" high, %' 8" in diameter above, and 2' 4" below. The eight tubs, a , a, a, a, &c., Fig. 75, are… … Arrangement of tubs in Augustin’s process of extracting silver. allowed to flow from the basin, s, through the trough, w w, and conducted upon the powder in the tubs through tb# little tubes, ty t , t , &c. The fluid coming in contact with the finely-divided chloride of silver, dissolves it, and…
Silver · Lead
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